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| 1 | Apoptosis and non-alcoholic fatty liver diseases显示文摘The number of patients with nonalcoholic fatty liver diseases(NAFLD) including nonalcoholic steatohepatitis(NASH), has been increasing. NASH causes cirrhosis and hepatocellular carcinoma(HCC) and is one of the most serious health problems in the world. The mechanism through which NASH progresses is still largely unknown. Activation of caspases, Bcl-2 family proteins, and c-Jun N-terminal kinase-induced hepatocyte apoptosis plays a role in the activation of NAFLD/NASH. Apoptotic hepatocytes stimulate immune cells and hepatic stellate cells toward the progression of fibrosis in the liver through the production of inflammasomes and cytokines. Abnormalities in glucose and lipid metabolism as well as microbiota accelerate these processes. The production of reactive oxygen species, oxidative stress, and endoplasmic reticulum stress is also involved. Cell death, including apoptosis, seems very important in the progression of NAFLD and NASH. Recently, inhibitors of apoptosis have been developed as drugs for the treatment of NASH and may prevent cirrhosis and HCC. Increased hepatocyte apoptosis may distinguish NASH from NAFLD, and the improvement of apoptosis could play a role in controlling the development of NASH. In this review, the association between apoptosis and NAFLD/NASH are discussed. This review could provide their knowledge, which plays a role in seeing the patients with NAFLD/NASH in daily clinical practice. | Tatsuo Kanda Shunichi Matsuoka Motomi Yamazaki Toshikatsu Shibata Kazushige Nirei Hiroshi Takahashi Tomohiro Kaneko Mariko Fujisawa Teruhisa Higuchi Hitomi Nakamura Naoki Matsumoto Hiroaki Yamagami Masahiro Ogawa Hiroo Imazu Kazumichi Kuroda Mitsuhiko Moriyama | 2018 | World Journal of Gastroenterology2018，24，25： | 32 |
| 2 | Improving recognition of hepatic perivascular epithelioid cell tumor:Case report and literature review显示文摘A 58-year-old man presented with the chief complaint of abdominal bloating and was incidentally found to have a liver tumor.As diagnostic imaging studies could not rule out malignancy,the patient underwent partial resection of segment 3 of the liver.The lesion pathologically showed eosinophilic proliferation,in addition to immunohistochemical positivity for human melanoma black 45 and Melan-A,thereby leading to the diagnosis of a hepatic perivascular epithelioid cell tumor(PEComa).A PEComa arising from the liver is relatively rare.Moreover,the name ‘PEComa' has not yet been widely recognized,and the same disease entity has been called epithelioid angiomyolipoma(EAML),further diminishing the recognition of PEComa.In addition,PEComa imaging findings mimic those of malignant liver tumors,and clinically,this tumor tends to enlarge.Therefore,a PEComa is difficult to diagnose.We conducted a systematic review of PEComa and EAML cases and discuss the results,including findings useful for differentiating perivascular epithelioid cell tumors from malignant liver tumors. | Toshiya Maebayashi Katsumi Abe Takuya Aizawa Masakuni Sakaguchi Naoya Ishibashi Osamu Abe Tadatoshi Takayama Hisashi Nakayama Shunichi Matsuoka Kazushige Nirei Hitomi Nakamura Masahiro Ogawa Masahiko Sugitani | 2015 | World Journal of Gastroenterology2015，21，17： | 20 |
| 3 | Pancreatic stents for the prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis should be inserted up to the pancreatic body or tail显示文摘AIM To investigate the location to which a pancreatic stent should be inserted to prevent post-endoscopic retrograde cholangiopancreatography(ERCP) pancreatitis(PEP).METHODS Over a ten-year period at our hospital, 296 patients underwent their first ERCP procedure and had a pancreatic stent inserted; this study included 147 patients who had ERCP performed primarily for biliary investigation and had a pancreatic stent inserted to prevent PEP. We dividedthese patients into two groups: 131 patients with a stent inserted into the pancreatic head(head group) and 16 patients with a stent inserted up to the pancreatic body or tail(body/tail group). Patient characteristics and ERCP factors were compared between the groups.RESULTS Pancreatic amylase isoenzyme(p-AMY) levels in the head group were significantly higher than those in the body/tail group [138.5(7.0-2086) vs 78.5(5.0-1266.5), P = 0.03] [median(range)]. No cases of PEP were detected in the body/tail group [head group, 12(9.2%)]. Of the risk factors for post-ERCP hyperamylasemia(≥ p-AMY median, 131 IU/L), procedure time ≥ 60 min [odds ratio(OR) 2.65, 95%CI: 1.17-6.02, P = 0.02) and stent insertion into the pancreatic head(OR 3.80, 95%CI: 1.12-12.9, P = 0.03) were identified as independent risk factors by multivariate analysis.CONCLUSION Stent insertion up to the pancreatic body or tail reduces the risk of post-ERCP hyperamylasemia and may reduce the risk of PEP. | Mitsuru Sugimoto Tadayuki Takagi Rei Suzuki Naoki Konno Hiroyuki Asama Yuki Sato Hiroki Irie Ko Watanabe Jun Nakamura Hitomi Kikuchi Yuichi Waragai Mika Takasumi Takuto Hikichi Hiromasa Ohira | 2018 | World Journal of Gastroenterology2018，24，22： | 13 |
| 4 | Identification of activity stop locations in GPS trajectories by density-based clustering method combined with support vector machines显示文摘The identification of activity locations in continuous GPS trajectories is an essential preliminary step in obtaining person trip data and for activity-based transportation demand forecasting.In this research,a two-step methodology for identifying activity stop locations is proposed.In the first step,an improved density-based spatial clustering of applications with noise(DBSCAN) algorithm identifies stop points and moving points;then in the second step,the support vector machines(SVMs) method distinguishes activity stops from non-activity stops among the identified stop points.A time sequence constraint and a direction change constraint are applied as improvements to DBSCAN(yielding an improved algorithm known as C-DBSCAN).Then three major features are extracted for use in the SVMs method:stop duration,mean distance to the centroid of a cluster of points at a stop location,and the shorter of distances from current location to home and to the workplace.The proposed methodology was tested using GPS data collected from mobile phones in the Nagoya area of Japan.The C-DBSCAN algorithm achieves an accuracy of 90%in identifying stop points in the first step,while the SVMs method is 96%accurate in distinguishing the locations of activity stops from non-activity stops in the second step.Compared to other variants of DBSCAN used to identify activity locations from GPS trajectories,this two-step method is generally superior. | Lei Gong Hitomi Sato Toshiyuki Yamamoto Tomio Miwa Takayuki Morikawa | 2015 | Journal of Modern Transportation2015，23，3： | 8 |
| 5 | Hepatitis C virus enhances incidence of idiopathic pulmonary fibrosis显示文摘AIM: To investigate the cumulative development incidence and predictive factors for idiopathic pulmonary fibrosis in hepatitis C virus (HCV) positive patients. METHODS: We studied 6150 HCV infected patients who were between 40-70 years old (HCV-group). Another 2050 patients with hepatitis B virus (HBV) were selected as control (HBV-group). The mean observation period was 8.0 ± 5.9 years in HCV-group and 6.3 ± 5.5 years in HBV-group. The primary goal is the development of idiopathic pulmonary fibrosis (IPF) in both groups. The cumulative appearance rate of IPF and independent factors associated with the incidence rate of IPF were calculated using the Kaplan- Meier method and the Cox proportional hazard model. All of the studies were performed retrospectively by collecting and analyzing data from the patient records in our hospital. RESULTS: Fifteen patients in HCV-group developedIPF. On the other hand, none of the patients developed IPF in HBV-group. In HCV-group, the cumulative rates of IPF development were 0.3% at 10th year and 0.9% at 20th year. The IPF development rate in HCV-group was higher than that in HBV-group (P = 0.021). The IPF development rate in patients with HCV or HBV was high with statistical significance in the following cases: (1) patients ≥ 55 years (P < 0.001); (2) patients who had smoking index (package per day × year) of ≥ 20 (P = 0.002); (3) patients with liver cirrhosis (P = 0.042). CONCLUSION: Our results indicate that age, smoking and liver cirrhosis enhance the development of IPF in HCV positive patients. | Yasuji Arase Fumitaka Suzuki Yoshiyuki Suzuki Norio Akuta Masahiro Kobayashi Yusuke Kawamura Hiromi Yatsuji Hitomi Sezaki Tetsuya Hosaka Miharu Hirakawa Satoshi Saito Kenji Ikeda Hiromitsu Kumada | 2008 | World Journal of Gastroenterology2008，14，38： | 8 |
| 6 | Efficacy of endoscopic ultrasonography-guided fine needle aspiration for pancreatic neuroendocrine tumor grading显示文摘AIM: To evaluate the efficacy of endoscopic ultrasonography-guided fine needle aspiration(EUS-FNA) for grading pancreatic neuroendocrine tumors(PNETs).METHODS: A total of 22 patients were diagnosed with PNET by EUS-FNA between October 2001 and December 2013 at Fukushima Medical University Hospital.Among these cases,we targeted 10 PNET patients who were evaluated according to the World Health Organization(WHO) 2010 classification.Surgery was performed in eight patients,and chemotherapy was performed in two patients due to multiple liver metastases.Specimens obtained by EUS-FNA were first stained with hematoxylin and eosin and then stained with chromogranin,synaptophysin,CD56,and Ki-67.The specimens were graded by the Ki-67 index according to the WHO 2010 classification.Specimens obtained by surgery were graded by the Ki-67 indexand mitotic count(WHO 2010 classification).For the eight specimens obtained by EUS-FNA,the Ki-67 index results were compared with those obtained by surgery.In the two cases treated with chemotherapy,the effects and prognoses were evaluated.RESULTS: The sampling rate for histological diagnosis by EUS-FNA was 100%.No adverse effects were observed.The concordance rate between specimens obtained by EUS-FNA and surgery was 87.5%(7/8).Fo r t h e t w o c a s e s t re a t e d w i t h c h e m o t h e ra p y,case 1 received somatostatin analog therapy and transcatheter arterial infusion(TAI) targeting multiple liver metastases.Subsequent treatment consisted of everolimus.During chemotherapy,the primary tumor remained unconfirmed,although the multiple liver metastases diminished dramatically.Case 2 was classified as neuroendocrine carcinoma(NEC) according to the Ki-67 index of a specimen obtained by EUS-FNA; therefore,cisplatin and irinotecan therapy was started.However,severe adverse effects,including renal failure and diarrhea,were observed,and the therapy regimen was changed to cisplatin and etoposide.TAI targeting multiple liver metastases was performed.Although the liver metastases diminished,the primary tumor remained unconfirmed.These chemotherapy regimens had immediate effects for both unresectable neuroendocrine tumor(NET) and NEC cases.These two subjects are still alive.CONCLUSION: EUS-FNA was effective for PNET diagnosis and Ki-67 index grading for WHO 2010 classification,enabling informed decisions on unresectable PNET treatment by identifying NET or NEC. | Mitsuru Sugimoto Tadayuki Takagi Takuto Hikichi Rei Suzuki Ko Watanabe Jun Nakamura Hitomi Kikuchi Naoki Konno Yuichi Waragai Hiroyuki Asama Mika Takasumi Hiroshi Watanabe Katsutoshi Obara Hiromasa Ohira | 2015 | World Journal of Gastroenterology2015，21，26： | 6 |
| 7 | Water-saving irrigation of paddy field to reduce nutrient runoff显示文摘The purpose of this work is to study the effect of a type of water-saving irrigation (WSI) on nutrient runoff of paddy field.The volume of surface drainage was maintained low by WSI.In particular,WSI effectively reduced surface drainage in rain events.Model simulation indicated that net runoff load of total nitrogen (TN) from the paddy field was increased by WSI.Meanwhile,net runoff loads of total phosphorus (TP) and total organic carbon (TOC) from the paddy field was decreased by WSI.Because ponding waters of the study fields were enriched with TP and TOC,WSI reduced runoff of these nutrients by controlling the volume of surface drainage.WSI could be considered an efficient method for reducing runoff loads and could conserve water quality in an agricultural watershed. | Tadayoshi Hitomi Yusaku Iwamoto Asa Miura Koji Hamada Kyoji Takaki Eisaku Shiratani | 2010 | Journal of Environmental Sciences2010，22，6： | 6 |
| 8 | Endoscopic ultrasonography can diagnose distal biliary strictures without a mass on computed tomography显示文摘AIM:To assess the diagnostic ability of endoscopic ultrasonography(EUS)for evaluating causes of dista biliary strictures shown on endoscopic retrograde chol angiopancreatography(ERCP)or magnetic resonance cholangiopancreatography(MRCP),even without iden tifiable mass on computed tomography(CT). METHODS:The diagnostic ability of EUS was retro spectively analyzed and compared with that of routine cytology(RC)and tumor markers in 34 patients with distal biliary strictures detected by ERCP or MRCP a Dokkyo Medical School Hospital from December 2005 to December 2008,without any adjacent mass or ec centric thickening of the bile duct on CT that could cause biliary strictures.Findings considered as benign strictures on EUS included preservation of the normasonographic layers of the bile duct wall,irrespective of the presence of a mass lesion.Other strictures were considered malignant.Final diagnosis of underlying diseases was made by pathological examination in 18 cases after surgical removal of the samples,and by clinical follow-up for>10 mo in 16 cases. RESULTS:Seventeen patients(50%)were finally di- agnosed with benign conditions,including 6'normal' subjects,while 17 patients(50%)were diagnosed with malignant disease.In terms of diagnostic ability,EUS showed 94.1%sensitivity,82.3%specificity,84.2% positive predictive value,93.3%negative predictive value(NPV)and 88.2%accuracy for identifying ma- lignant and benign strictures.EUS was more sensi- tive than RC(94.1%vs 62.5%,P=0.039).NPV was also better for EUS than for RC(93.3%vs 57.5%,P= 0.035).In addition,EUS provided significantly higher sensitivity than tumor markers using 100 U/mL as the cutoff level of carbohydrate antigen 19-9(94.1%vs 53%,P=0.017).On EUS,biliary stricture that was fi- nally diagnosed as malignant showed as a hypoechoic, irregular mass,with obstruction of the biliary duct and invasion to surrounding tissues. CONCLUSION:EUS can diagnose biliary strictures caused by malignant tumors that are undetectable on CT.Earlier detection by EUS would provide more therapeutic options for patients with early-stage pancreaticobiliary cancer. | Yasuyuki Saifuku Michiko Yamagata Takero Koike Genyo Hitomi Kazunari Kanke Hidetaka Watanabe Toshimitsu Murohisa Masaya Tamano Makoto Iijima Keiichi Kubota Hideyuki Hiraishi | 2010 | World Journal of Gastroenterology2010，16，2： | 5 |
| 9 | Long‐term entecavir treatment reduces hepatocellular carcinoma incidence in patients with hepatitis B virus infection显示文摘 | Tetsuya Hosaka Fumitaka Suzuki Masahiro Kobayashi Yuya Seko Yusuke Kawamura Hitomi Sezaki Norio Akuta Yoshiyuki Suzuki Satoshi Saitoh Yasuji Arase Kenji Ikeda Mariko Kobayashi Hiromitsu Kumada | 2013 | Hepatology2013，，： | 5 |
| 10 | Characterization of CD133 + hepatocellular carcinoma cells as cancer stem/progenitor cells显示文摘 | Atsushi Suetsugu Masahito Nagaki Hitomi Aoki Tsutomu Motohashi Takahiro Kunisada Hisataka Moriwaki | 2006 | Biochemical and Biophysical Research Communications2006，，4： | 4 |
| 11 | Roles of lipoprotein receptors in the entry of hepatitis C virus显示文摘Infection by hepatitis C virus(HCV), a plus-stranded RNA virus that can cause cirrhosis and hepatocellular carcinoma, is one of the major health problems in the world. HCV infection is considered as a multistep complex process and correlated with abnormal metabolism of lipoprotein. In addition, virus attacks hepatocytes by the initial attaching viral envelop glycoprotein E1/E2 to receptors of lipoproteins on host cells. With the development of HCV model system, mechanisms of HCV cell entry through lipoprotein uptake and its receptor have been extensively studied in detail. Here we summarize recent knowledge about the role of lipoprotein receptors, scavenger receptor class B type Ⅰ and low-density lipoprotein receptor in the entry of HCV, providing a foundation of novel targeting therapeutic tools against HCV infection. | Jingya Lyu Hitomi Imachi Kensaku Fukunaga Takuo Yoshimoto Huanxiang Zhang Koji Murao | 2015 | World Journal of Hepatology2015，7，24： | 3 |
| 12 | Long-term continuous entecavir therapy in nucleos(t)ide-na?ve chronic hepatitis B patients显示文摘 | Atsushi Ono Fumitaka Suzuki Yusuke Kawamura Hitomi Sezaki Tetsuya Hosaka Norio Akuta Masahiro Kobayashi Yoshiyuki Suzuki Satoshi Saitou Yasuji Arase Kenji Ikeda Mariko Kobayashi Sachiyo Watahiki Rie Mineta Hiromitsu Kumada | 2012 | Journal of Hepatology2012，，3： | 3 |
| 13 | Efficacy of Tailored Helicobacter pylori Eradication Treatment Based on Clarithromycin Susceptibility and Maintenance of Acid Secretion显示文摘 | Mitsushige Sugimoto Takahiro Uotani Shu Sahara Hitomi Ichikawa Mihoko Yamade Ken Sugimoto Takahisa Furuta | 2014 | Helicobacter2014，，4： | 3 |
| 14 | Scenario analysis for reduction of pollutant load discharged from a watershed by recycling of treated water for irrigation显示文摘A model in which a river model was layered on a distributed model (double-layered model) was developed to analyse the transport of water and pollutants (nitrogen,phosphorus,and BOD as organic matter) in watersheds and rivers.The model was applied to the watershed of Abragafuchi Lake,Japan,where serious water pollution has occurred over three decades,and the applicability of the model was demonstrated.Scenarios of recycling of sewage treated-water into agriculture to reduce pollutant load discharged into the lake were analysed.The results showed that irrigating paddy fields with the sewage-treated water could contribute to conserving water and reducing pollutant load,with reduction rate in BOD,nitrogen,and phosphorus ranging from 6%–36%,16%–46%,and 18%–51%,respectively.Particularly,the results indicated that,irrigating paddy fields with the treated water during non-cropping periods and the accompanying reduction in withdrawn water from the river were more effective in reducing pollutant loads discharged into the lake.Further study is required on the effect of recycled water on crop cultivation and soil conditions for safe implementation. | Eisaku Shiratani Yoshiyuki Munakata Ikuo Yoshinaga Tomijiro Kubota Koji Hamada Tadayoshi Hitomi | 2010 | Journal of Environmental Sciences2010，22，6： | 3 |
| 15 | Histopathology of type C liver disease for determining hepatocellular carcinoma risk factors显示文摘AIM:To evaluate the histopathological findings of type C liver disease to determine risk factors for development of hepatocellular carcinoma(HCC).METHODS:We studied 232 patients,who underwent liver biopsy for type C chronic liver disease between 1992 and 2009,with sustained virological response(SVR)after interferon therapy.The patients were divided into two groups according to the F stage 0+1+2 group(n = 182)and F3+4 group(n = 50).We prospectively observed and compared the incidence of HCC of the patients with SVR in the F0+1+2 and F3+4 groups.Then,the background factors and liver histopathological findings,including the degree of fibrosis,F stage,inflammation,necrosis,bile duct obstruction,fat deposition,and degree of irregular regeneration(IR)of hepatocytes,were correlated with the risk of developing HCC.RESULTS:HCC developed in three of 182(1.6%)patients in the F0+1+2 group,and four of 50(8.0%)in the F3+4 group.The cumulative incidence of HCC in the former group was found to be significantly lower than in the F3+4 group(log rank test P = 0.0224).The presence of atypical hepatocytes among IR of hepatocytes in the F3+4 group resulted in a higher cumulative incidence of HCC,and was significantly correlated with risk of HCC development(RR = 20.748,95%CI:1.335-322.5,P = 0.0303).CONCLUSION:Atypical hepatocytes among the histopathological findings of type C liver disease may be an important risk factor for HCC development along with progression of liver fibrosis. | Hiroshi Matsumura Kazushige Nirei Hitomi Nakamura Teruhisa Higuchi Yasuo Arakawa Masahiro Ogawa Naohide Tanaka Mitsuhiko Moriyama | 2013 | World Journal of Gastroenterology2013，19，30： | 3 |
| 16 | Predictive factors for the failure of endoscopic stent-instent self-expandable metallic stent placement to treat malignant hilar biliary obstruction显示文摘AIM To investigate the factors predictive of failure when placing a second biliary self-expandable metallic stents(SEMSs). METHODS This study evaluated 65 patients with an unresectable malignant hilar biliary obstruction who were examined in our hospital. Sixty-two of these patients were recruited to the study and divided into two groups: the success group, which consisted of patients in whom a stent-in-stent SEMS had been placed successfully, and the failure group, which consisted of patients in whom the stent-in-stent SEMS had not been placed successfully. We compared the characteristics of the patients, the stricture state of their biliary ducts, and the implemented endoscopic retrograde cholangiopancreatography(ERCP) procedures between the two groups.RESULTS The angle between the target biliary duct stricture and the first implanted SEMS was significantly larger in the failure group than in the success group. There were significantly fewer wire or dilation devices(ERCP catheter, dilator, or balloon catheter) passing the first SEMS cell in the failure group than in the success group. The cut-off value of the angle predicting stent-in-stent SEMS placement failure was 49.7 degrees according to the ROC curve(sensitivity 91.7%, specificity 61.2%). Furthermore, the angle was significantly smaller in patients with wire or dilation devices passing the first SEMS cell than in patients without wire or dilation devices passing the first SEMS cell. CONCLUSION A large angle was identified as a predictive factor for failure of stent-in-stent SEMS placement. | Mitsuru Sugimoto Tadayuki Takagi Rei Suzuki Naoki Konno Hiroyuki Asama Ko Watanabe Jun Nakamura Hitomi Kikuchi Yuichi Waragai Mika Takasumi Yuki Sato Takuto Hikichi Hiromasa Ohira | 2017 | World Journal of Gastroenterology2017，23，34： | 3 |
| 17 | Efficacy of non-invasive elastometry on staging of hepatic fibrosis显示文摘 | Hidetsugu Saito Shinichiro Tada Nobuhiro Nakamoto Kumi Kitamura Hitomi Horikawa Satoshi Kurita Yoshimasa Saito Hirokata Iwai Hiromasa Ishii | 2004 | Hepatology Research2004，，2： | 2 |
| 18 | Fenofibrate suppresses growth of the human hepatocellular carcinoma cell via PPARα-independent mechanisms显示文摘 | Daisuke Yamasaki Natsuko Kawabe Hitomi Nakamura Keisuke Tachibana Kenji Ishimoto Toshiya Tanaka Hiroyuki Aburatani Juro Sakai Takao Hamakubo Tatsuhiko Kodama Takefumi Doi | 2011 | European Journal of Cell Biology2011，，8： | 2 |
| 19 | Effect of type 2 diabetes on risk for malignancies includes hepatocellular carcinoma in chronic hepatitis C显示文摘 | Yasuji Arase Mariko Kobayashi Fumitaka Suzuki Yoshiyuki Suzuki Yusuke Kawamura Norio Akuta Masahiro Kobayashi Hitomi Sezaki Satoshi Saito Tetsuya Hosaka Kenji Ikeda Hiromitsu Kumada Tetsuro Kobayashi | 2013 | Hepatology2013，，3： | 2 |
| 20 | Endoscopic therapy for esophageal hematoma with blue rubber bleb nevus syndrome显示文摘A 57-year-old woman previously diagnosed with blue rubber bleb nevus syndrome(BRBNS) reported hematemesis. BRBNS is a rare vascular anomaly syndrome consisting of multifocal hemangiomas of the skin and gastrointestinal(GI) tract but her GI tract had never been examined. An upper gastrointestinal endoscopy revealed a large bleeding esophageal hematoma positioned between the thoracic esophagus and the gastric cardia. An endoscopic injection of polidocanol was used to stop the hematoma from bleeding. The hematoma was incised using the injectionneedle to reduce the pressure within it. Finally, argon plasma coagulation(APC) was applied to the edge of the incision. The esophageal hematoma disappeared seven days later. Two months after the endoscopic the rapy, the eso phage alulcerhealed and the hemangioma did not relapse. This rare case of a large esophageal hematoma originating from a hemangioma with BRBNS was treated using a combination of endoscopic therapy with polidocanol injection, incision, and APC. | Mika Takasumi Takuto Hikichi Tadayuki Takagi Masaki Sato Rei Suzuki Ko Watanabe Jun Nakamura Mitsuru Sugimoto Yuichi Waragai Hitomi Kikuchi Naoki Konno Hiroshi Watanabe Katsutoshi Obara Hiromasa Ohira | 2014 | World Journal of Gastrointestinal Endoscopy2014，6，12： | 2 |
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